------------------------------ Scenario Screen -------- [1-4]: Change Screen --
  Call-rate(length)     Port   Total-time  Total-calls  Remote-host
64.0(10000 ms)/1.000s   5061    1070.74 s        65839  XX.XX.XX.XX:5061(UDP)

  64 new calls during 1.009 s period     12 ms scheduler resolution
  480 concurrent calls (limit 1920)      Peak was 490 calls, after 850 s
  0 out-of-call msg (discarded)        
  1 open sockets                        
  24971250 Total echo RTP pckts          3969.843 last period RTP rate (kB/s)

                                 Messages  Retrans   Timeout   Unexpected-Msg
      INVITE ---------->         65839     0         0        
         100 <----------         65839     0                   0        
         180 <----------         0         0                   0        
         183 <----------         0         0                   0        
         200 <---------- E-RTD   65839     0                   0        
         ACK ---------->         65839     0                            
             [ 10000 ms]
         BYE ---------->         0         0         0        
         200 <----------         0         0                   0        

------ [+|-|*|/]: Adjust rate ---- [q]: Soft exit ---- [p]: Pause traffic -----